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For any integer x greater than 1, x! denotes the product of all intege

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GMAT 1: 700 Q45 V40
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For any integer x greater than 1, x! denotes the product of all intege  [#permalink]

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New post 26 Jul 2017, 14:03
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100% (00:23) correct 0% (00:00) wrong based on 4 sessions

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For any integer x greater than 1, x! denotes the product of all integers from 1 to x, inclusive. What is the hundred-thousands digit of 25!?

A. 0
B. 2
C. 4
D. 5
E. 8

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Re: For any integer x greater than 1, x! denotes the product of all intege  [#permalink]

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New post 27 Jul 2017, 01:35
niteshwaghray wrote:
For any integer x greater than 1, x! denotes the product of all integers from 1 to x, inclusive. What is the hundred-thousands digit of 25!?

A. 0
B. 2
C. 4
D. 5
E. 8


This is a variant of trailing 0s question.

0s are contributed by 2s and 5.
Number of 5s in 25! = 6 (25,20,15,10,5)

Hence total 6 zeros should be there in 25!. Hundred-Thousand is the 6th place from the left.
Therefore answer : A

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.


If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
GMAT Club Bot
Re: For any integer x greater than 1, x! denotes the product of all intege   [#permalink] 27 Jul 2017, 01:35
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For any integer x greater than 1, x! denotes the product of all intege

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